Type Confusion in json-pointer - CVE-2021-23820
Published: March 7, 2022 / Updated: March 31, 2023
Vulnerability identifier: #VU61046
CSH Severity: High
CVSS v4: 9.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2021-23820
CWE-ID: CWE-843
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a type confusion error. A remote attacker can pass specially crafted data to the application, trigger a type confusion error and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Affected software
json-pointer
Argo CD
API Portal
Red Hat Advanced Cluster Security for Kubernetes
Argo CD
API Portal
Red Hat Advanced Cluster Security for Kubernetes
How to mitigate CVE-2021-23820
Install update from vendor's website.
API Portal - update to February 2022
Argo CD - addressed in versions 2.2.12, 2.3.0
Red Hat Advanced Cluster Security for Kubernetes - update to 3.70
Argo CD - addressed in versions 2.2.12, 2.3.0
Red Hat Advanced Cluster Security for Kubernetes - update to 3.70